Why does Peec start with one engine?
Per-engine API costs add up quickly; vendors that price aggressively at entry often gate multi-engine support behind upgrades. Our Pro tier (£39/mo) covers all four because the math works at our cost-to-serve.
Honest comparison
LLM Submitter vs Peec AI
Peec AI is a single-engine starter; LLM Submitter ships with all four engines + the audit + fix toolkit at lower entry pricing.
LLM Submitter
Four engines from day one (ChatGPT, Claude, Perplexity, Gemini). Audit + Fix pillars built in. £15-£99/month, 14-day trial, no card.
Peec AI
AI search optimization platform with citation tracking. Mid-market priced at ~$99-$300/month per their public tiers. Single-engine on the entry tier; multi-engine on higher tiers.
Feature matrix
| Feature | LLM Submitter | Peec AI |
|---|---|---|
| Free public audit tool | Yes | No |
| Entry price | £15/mo Solo | ~$99/mo |
| Engines on entry tier | All 4 (Pro tier) | 1 - paid upgrade for multi-engine |
| Audit pillar | 10-category open methodology | Limited - audit is part of the recommend flow |
| Fix pillar | Generates schema, llms.txt, robots.txt | Recommendations |
| Multi-tenant agency | Agency tier from £99/mo | Custom pricing |
| GBP + EU VAT | Yes | USD |
When to pick which
Pick LLM Submitter if you want one tool that audits, fixes and tracks across all four major AI engines without escalating to a higher tier. Pick Peec AI if your team has standardised on a single engine (e.g. ChatGPT-only B2C copy testing) and pricing is not the constraint.
FAQ
Other comparisons
Comparison reflects each tool's pricing and feature set as of 3 May 2026. We update these pages quarterly. Numbers from public dashboards / changelogs only - we do not paraphrase NDA decks.
Test it yourself
Run the open-methodology audit on your own site.
Free, no signup, full breakdown - then make your own call between LLM Submitter and Peec AI.
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